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Post by dave on May 4, 2016 6:56:37 GMT -5
I wanted to revive this thread to ask about another controller. On my layout, I would like to panel mount a small controller and am looking at the the Medvend AN-C-1 controller. Has anyone used it and if so, results and comments would be great. If you have used it, what power supply are you using? I will be using MTL, AZL and Marklin DC locos. Thanks for the help.
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Post by rvn2001 on May 4, 2016 16:59:47 GMT -5
Hi Dave,
I am using the Medvend AN-C-1 controller on 2 of my humidor layouts. I use a 9.6volt 3800mAh rechargeable R/C car battery in each one. I can only run the Marklin 0-6-0 and SeaRails PowerMax locos on them because of the small radius. I recently bought a 9volt 1500mA plug-in wall-wart that I might use to power one of the layouts. I tested the controllers on a larger radius oval first and everything that I have ran great ..... as long as it could negotiate the curves. The controller provides excellent slow-speed control but will still run the locos at a reasonable faster speed.
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Post by markm on May 5, 2016 11:24:57 GMT -5
I don't have a Medvend throttle, but I have a couple of comments about it's power source.
The unit is specified as up to 5A output. At this current, you can easy damage rolling stock in Z. I'd suggest using a supply rated at 9-10VDC 1A. Something like the Rokuhan A0028.
Mark
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Post by dave on May 5, 2016 13:44:04 GMT -5
Thom and Mark...thanks for the responses.
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Post by BAZman on May 10, 2016 13:54:38 GMT -5
Lets consider speed. 60 m/hr = 4.8"/sec in 1:220 scale (10 seconds to 48"). 100 km/hr = .126 m/sec or ~8 sec/m, if I did the math correctly.
Some ask us at a show 'why are we running so slow' or, 'how fast are you running?'.
So, we have a sign on the side of one of our straight 4' (48") modules with that same info. 60 MPH = 10 seconds and a scaler speed table: X seconds = y MPH.
Pushing your locos to run faster is the worst thing you can do. If the loco appears run proportionally faster as you increase the speed and then seems to not go much faster at the top end, that little pile of copper has reached it's limit and heat will begin to increase, significantly. This leads to motor fatigue, grease/oils degraded faster or becoming thinner so flowing away easier and ultimately shorter motor life.
While the original Märklin locos seemingly run Lionel speed, many of our US models are designed more appropriately. However with many manufacturers in the list and improvements (new/alternate motors, materials, etc), manufacturing tolerances, user environments, power supplies, etc.; they are all going to run different speeds. Especially MTL's SD40.
Don't push your locos to their limits. The higher voltage supplies just make it worse.
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Post by domi on May 11, 2016 10:18:15 GMT -5
Myself I've nothing to do with locomotives that run too fast. The only thing I need about running caracteristics is steady (very) slow speed operation. A goal my SD70s, which are 1st generation, match with. They're able to run a steady 1 smph pace, and I don't care they top at ~ 40 smph under their max voltage.
Dom
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